Gnomeball Machine
Artifact -- Contraption
Whenever you crank ~this~, create two 1/1 colorless Gnome artifact creature tokens.
Metrognome
{4}
Artifact
When a spell or ability an opponent controls causes you to discard ~this~, create four 1/1 colorless Gnome artifact creature tokens.
{4}, {T}: Create a 1/1 colorless Gnome artifact creature token.